Programming Interface Information:
The Monitor Records are intended Programming Interfaces that allow the customer to write programs to obtain services of z/VM. |
MRIODVOF
PrologControl Block Contents
Storage Layout
Cross Reference
MRIODVOF Prolog
DSECT NAME - IODVOF FUNCTION - Map a Monitor record. LOCATED BY - Through the Monitor Control Area REFERENCED CONTROL BLOCKS - MRRECHDR Monitor Record Header NAME - MRIODVOF DESCRIPTIVE NAME - Monitor Event Record Domain 6 - I/O Domain Record 2 - Vary Off Device DESCRIPTION - Indicates that a real device has been varied offline
MRIODVOF Control Block Contents
Offsets Dec Hex Type Len Name (Dim) Description 0 0 Structure 24 IODVOF Start of monitor record 0 0 Character 0 IODVOF_MRHDR Record header. See MRRECHDR for details. 0 0 Character 20 MRHDR 0 0 Unsigned 2 MRHDRLEN record length in bytes 2 2 Unsigned 2 MRHDRZER field of zeros 4 4 Unsigned 1 MRHDRDM domain identifier 5 5 Unsigned 1 * 6 6 Unsigned 2 MRHDRRC record identifier 8 8 Character 8 MRHDRTOD Time at which this record was built. In time-of-day (TOD) clock format. See IBM System 370 XA Principle of Operation for explanation of format. 16 10 Character 4 * 20 14 Character 0 MRHDR_END End of header 20 14 Unsigned 4 IODVOF_RDEVSID Host subchannel I.D. number defined at initialization 24 18 Character 0 IODVOF_END
MRIODVOF Cross Reference
Hex Hex Name Offset Length Value IODVOF 0 24 IODVOF_END 18 0 IODVOF_MRHDR 0 0 IODVOF_RDEVSID 14 4 MRHDR 0 20 MRHDR_END 14 0 MRHDRDM 4 1 MRHDRLEN 0 2 MRHDRRC 6 2 MRHDRTOD 8 8 MRHDRZER 2 2
This information is based on z/VM V4R3.0.
Last updated on 1 May 2002 at 16:20:33.
Copyright IBM Corporation, 1990, 2002